1.1. Students who take four years of math increase their earning potential by 160%. If the average high school graduate makes $20,000, how much can a four-year math student expect to make2. Larry headed west at 20 miles per hour at 8 a.m. Three hours later Henry headed east from the

same location traveling at 6 miles per hour. What time was it when they were 164 miles apart?

3. The chemical formula for potassium chlorate is KClO3. If 3416 grams of this compound is

used, how much does the potassium weigh? (K, 39; Cl, 35; O, 16)

4. Small balloons cost $2 each and large balloons cost $6 each. If the number of small balloons

was 2 more than twice the number of large balloons and a total of $84 was spent, how many

each type of balloons was purchased?

5. Four times the larger number was 11 greater than seven times the smaller number. If the

smaller number was 8 less than the larger number, what was the larger number?

6. Jonathan drove the first part of his trip at an average speed of 40 mph. He drove the second part

of his trip at an average speed of 60 mph. If the total trip took 9 hours and covered 480 miles,

how many miles did he go at 60 mph?

7. The number of students attending the game was 2 . times the number anticipated. If 363

students attended the game, how many were anticipated?

8.

10. Simplify: 1/16-3/4

11. Simplify: (-8)-5/3

15. Solve for a:c/x+m/a=c

16. Solve 64m2 – 36 = 0 by factoring.

17. Simplify:

16.Solve 64m2 – 36 = 0 by factoring.

18. Expand: (x – 2)2

19. Solve: 3x(2 – 60) – 9x = 5x0 -15 – 2(x – 40)

 

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1 Answer

20,000$ +160%=260% av 20,000

=2.6*20,000$

=52,000$
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